package ch.rmy.android.http_shortcuts.components

import android.os.Build
import androidx.compose.foundation.isSystemInDarkTheme
import androidx.compose.material3.MaterialTheme
import androidx.compose.material3.darkColorScheme
import androidx.compose.material3.dynamicDarkColorScheme
import androidx.compose.material3.dynamicLightColorScheme
import androidx.compose.material3.lightColorScheme
import androidx.compose.runtime.Composable
import androidx.compose.runtime.getValue
import androidx.compose.runtime.remember
import androidx.compose.ui.platform.LocalContext
import androidx.lifecycle.compose.collectAsStateWithLifecycle
import ch.rmy.android.http_shortcuts.data.settings.UserPreferences
import dagger.hilt.EntryPoint
import dagger.hilt.InstallIn
import dagger.hilt.android.EntryPointAccessors
import dagger.hilt.components.SingletonComponent

private val LightColors = lightColorScheme(
    primary = md_theme_light_primary,
    onPrimary = md_theme_light_onPrimary,
    primaryContainer = md_theme_light_primaryContainer,
    onPrimaryContainer = md_theme_light_onPrimaryContainer,
    secondary = md_theme_light_secondary,
    onSecondary = md_theme_light_onSecondary,
    secondaryContainer = md_theme_light_secondaryContainer,
    onSecondaryContainer = md_theme_light_onSecondaryContainer,
    tertiary = md_theme_light_tertiary,
    onTertiary = md_theme_light_onTertiary,
    tertiaryContainer = md_theme_light_tertiaryContainer,
    onTertiaryContainer = md_theme_light_onTertiaryContainer,
    error = md_theme_light_error,
    onError = md_theme_light_onError,
    errorContainer = md_theme_light_errorContainer,
    onErrorContainer = md_theme_light_onErrorContainer,
    outline = md_theme_light_outline,
    background = md_theme_light_background,
    onBackground = md_theme_light_onBackground,
    surface = md_theme_light_surface,
    onSurface = md_theme_light_onSurface,
    surfaceVariant = md_theme_light_surfaceVariant,
    onSurfaceVariant = md_theme_light_onSurfaceVariant,
    inverseSurface = md_theme_light_inverseSurface,
    inverseOnSurface = md_theme_light_inverseOnSurface,
    inversePrimary = md_theme_light_inversePrimary,
    surfaceTint = md_theme_light_surfaceTint,
    outlineVariant = md_theme_light_outlineVariant,
    scrim = md_theme_light_scrim,
)

private val DarkColors = darkColorScheme(
    primary = md_theme_dark_primary,
    onPrimary = md_theme_dark_onPrimary,
    primaryContainer = md_theme_dark_primaryContainer,
    onPrimaryContainer = md_theme_dark_onPrimaryContainer,
    secondary = md_theme_dark_secondary,
    onSecondary = md_theme_dark_onSecondary,
    secondaryContainer = md_theme_dark_secondaryContainer,
    onSecondaryContainer = md_theme_dark_onSecondaryContainer,
    tertiary = md_theme_dark_tertiary,
    onTertiary = md_theme_dark_onTertiary,
    tertiaryContainer = md_theme_dark_tertiaryContainer,
    onTertiaryContainer = md_theme_dark_onTertiaryContainer,
    error = md_theme_dark_error,
    onError = md_theme_dark_onError,
    errorContainer = md_theme_dark_errorContainer,
    onErrorContainer = md_theme_dark_onErrorContainer,
    outline = md_theme_dark_outline,
    background = md_theme_dark_background,
    onBackground = md_theme_dark_onBackground,
    surface = md_theme_dark_surface,
    onSurface = md_theme_dark_onSurface,
    surfaceVariant = md_theme_dark_surfaceVariant,
    onSurfaceVariant = md_theme_dark_onSurfaceVariant,
    inverseSurface = md_theme_dark_inverseSurface,
    inverseOnSurface = md_theme_dark_inverseOnSurface,
    inversePrimary = md_theme_dark_inversePrimary,
    surfaceTint = md_theme_dark_surfaceTint,
    outlineVariant = md_theme_dark_outlineVariant,
    scrim = md_theme_dark_scrim,
)

@Composable
fun AppTheme(
    content: @Composable () -> Unit,
) {
    val context = LocalContext.current
    val useDarkTheme: Boolean = isSystemInDarkTheme()
    val userPreferences = remember {
        EntryPointAccessors.fromApplication<AppThemeEntryPoint>(context).userPreferences()
    }
    val colorTheme by userPreferences.colorThemeFlow.collectAsStateWithLifecycle()
    val dynamicColor = Build.VERSION.SDK_INT >= Build.VERSION_CODES.S && colorTheme == "dynamic-color"

    val colors = when {
        dynamicColor && useDarkTheme -> dynamicDarkColorScheme(context)
        dynamicColor && !useDarkTheme -> dynamicLightColorScheme(context)
        useDarkTheme -> DarkColors
        else -> LightColors
    }

    MaterialTheme(
        colorScheme = colors,
        content = content,
    )
}

@EntryPoint
@InstallIn(SingletonComponent::class)
interface AppThemeEntryPoint {
    fun userPreferences(): UserPreferences
}
